This game definitely would suit a Farscape mod. Some of the music even reminds me of incidental music from the show.
What ships should be included?
Peacekeeper Command Carrier
Peacekeeper Marauder
Peacekeeper Prowler
Peacekeeper Scrub Runner
Peacekeeper Pantak Class Vigilante
Scarran Dreadnaught
Scarran Striker
Scarran Predator
I think some ships would have to be created to fill out ranks OR ships not necessarily belonging to the PK's or the Scarrans would be 'drafted' into their fleets (Luxan ships for PK, Charred ships for Scarran etc.)
Phase Jump Inhibitors could be replaced by 'The Flax'.
The Pirate Base could be changed into a Shadow Depository (capture it first and gain a lot of credits). Pirates themselves could simply be the Zenetan pirates.
PK military labs would be Gamek bases.
The Farscape episodes themselves would offer plenty of ideas for special space locations (dead budongs, trading posts, strange suns with weird solar radiation (from "Crackers Don't Matter").
I'd be more than willing to help design a mod around Farscape, but I'd need help to realize it.